Name: | opercular artery |
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Synonyms: | external carotid artery, ORA |
Definition: | The opercular artery arises from the hyoid stump on the first aortic arch, then follows the lateral margin of the operculum (gill covering) ventrally to reconnect into the proximal part of the first aortic arch. |
Ontology: | Anatomy Ontology [ZFA:0005022] |
Name: | decreased diameter |
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Synonyms: | |
Definition: | A diameter which is relatively small. |
Ontology: | Phenotypic Quality Ontology [PATO:0001715] |